import router from "./router";
import store from "./store";
import { Message, MessageBox } from "element-ui";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import { getToken, removeToken, getRoles } from "@/utils/auth"; // getToken from cookie

NProgress.configure({ showSpinner: false }); // NProgress Configuration

// permission judge function
function hasPermission(roles, permissionRoles) {
  if (roles.indexOf(1) >= 0) return true; // admin permission passed directly
  if (!permissionRoles) return true;
  return roles.some(role => permissionRoles.indexOf(role) >= 0);
}

const whiteList = ["/login", "/authredirect"]; // no redirect whitelist

router.beforeEach((to, from, next) => {
  NProgress.start(); // start progress bar
  if (getToken()) {
    // determine if there has token
    /* has token*/
    if (to.path === "/login") {
      next({ path: "/" });
      NProgress.done(); // if current page is dashboard will not trigger	afterEach hook, so manually handle it
    } else {
      if (store.getters.resourceIdList.length === 0) {
        // 判断当前用户是否已拉取完user_info信息
        // debugger;
        // const roles = getRoles();
        // const roles = [1];
        // console.log(roles, 7878)
        /* if (roles.length) {
          store.dispatch("SetRoles", roles).then(() => {
            // 根据roles权限生成可访问的路由表
            store.dispatch("GenerateRoutes", { roles }).then(() => {
              // 根据roles权限生成可访问的路由表
              router.addRoutes(store.getters.addRouters); // 动态添加可访问路由表
              next({ ...to, replace: true }); // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
            });
          });
        } else {
          // has no roles
          if (whiteList.indexOf(to.path) !== -1) {
            // 在免登录白名单，直接进入
            next();
          } else {
            removeToken();
            next("/login"); // 否则全部重定向到登录页
            NProgress.done(); // if current page is login will not trigger afterEach hook, so manually handle it
          }
        } */
        store.dispatch('GetPermission').then(res => { // 拉取user_info
          store.dispatch('GenerateRoutes', res).then(() => { // 根据roles权限生成可访问的路由表
            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
            next({...to, replace: true}) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          })
        }).catch(() => {
          store.dispatch('FedLogOut').then(() => {
            Message.error('权限验证失败,请重新登录')
            next({path: '/login'})
          })
        })
      } else {
        next()
        // 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
        /* if (hasPermission(store.getters.roles, to.meta.roles)) {
          next();
        } else {
          next({ path: "/401", replace: true, query: { noGoBack: true } });
        } */
        // 可删 ↑
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next();
    } else {
      next("/login"); // 否则全部重定向到登录页
      NProgress.done(); // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
});

router.afterEach(() => {
  NProgress.done(); // finish progress bar
});
